raheem sterling 's contract with liverpool expires in the summer of 2017 .
the forward could buy-out the final year of his deal for £ 1.7 million .
liverpool may be forced to accept a much lower bid for the 20-year-old .
slaven bilic is in the frame to replace sam allardyce at west ham .
southampton set to make summer bid for man united 's javier hernandez .
tottenham still interested in move for aston villa 's christian benteke .
west ham determined to keep hold of chelsea target aaron cresswell .